[INFO] updating cached repository squidpickles/slippybot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/squidpickles/slippybot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/squidpickles/slippybot" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/squidpickles/slippybot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/squidpickles/slippybot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/squidpickles/slippybot" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/squidpickles/slippybot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/squidpickles/slippybot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c98374542edcb9f4e38002ae1b8b43fc25c46473
[INFO] sha for GitHub repo squidpickles/slippybot: c98374542edcb9f4e38002ae1b8b43fc25c46473
[INFO] validating manifest of squidpickles/slippybot on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of squidpickles/slippybot on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing squidpickles/slippybot
[INFO] finished frobbing squidpickles/slippybot
[INFO] frobbed toml for squidpickles/slippybot written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/squidpickles/slippybot/Cargo.toml
[INFO] started frobbing squidpickles/slippybot
[INFO] finished frobbing squidpickles/slippybot
[INFO] frobbed toml for squidpickles/slippybot written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/squidpickles/slippybot/Cargo.toml
[INFO] crate squidpickles/slippybot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking squidpickles/slippybot against master#435236b8877cdb98c82eaebfb7887782277265c5 for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/master#435236b8877cdb98c82eaebfb7887782277265c5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/squidpickles/slippybot:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f7dcd87882b168a9babf96575a02cd982c0f3d40027a7a2873ff654114de7942
[INFO] running `"docker" "start" "-a" "f7dcd87882b168a9babf96575a02cd982c0f3d40027a7a2873ff654114de7942"`
[INFO] [stderr]    Compiling gcc v0.3.46
[INFO] [stderr]    Compiling openssl v0.9.12
[INFO] [stderr]     Checking httparse v1.2.2
[INFO] [stderr]    Compiling backtrace v0.3.1
[INFO] [stderr]     Checking fixedbitset v0.1.6
[INFO] [stderr]     Checking serde v1.0.7
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]     Checking unicode-bidi v0.2.6
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]    Compiling cpp_demangle v0.2.2
[INFO] [stderr]     Checking thread-id v3.1.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking utf-8 v0.7.1
[INFO] [stderr]     Checking mime v0.2.4
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]    Compiling hyper v0.10.10
[INFO] [stderr]     Checking idna v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking bytes v0.4.3
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr] error: failed to run custom build command for `cpp_demangle v0.2.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/cpp_demangle-d61d530250d1ce01/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rerun-if-changed=build.rs
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_0
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_1
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_10
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_11
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_12
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_13
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_14
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_15
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_16
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_17
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_18
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_19
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_2
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_20
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_21
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_22
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_23
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_24
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_25
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_26
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_27
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_28
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_29
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_3
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_30
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_31
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_32
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_4
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_5
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_6
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_7
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_8
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_9
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_0
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_1
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_10
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_11
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_12
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_13
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_14
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_15
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_16
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_17
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_18
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_19
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_2
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_20
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_21
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_22
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_23
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_24
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_25
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_26
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_27
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_28
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_29
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_3
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_30
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_31
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_32
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_4
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_5
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_6
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_7
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_8
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_9
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_103
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_196
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_236
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_251
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_340
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_357
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_378
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_411
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_469
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_496
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_672
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_90
[INFO] [stderr] cargo:rerun-if-changed=tests/afl_seeds.rs
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'should generate sanity tests from AFL.rs seed test cases: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:1084:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x562950650dab - backtrace::backtrace::libunwind::trace::h88d9499c2d7e1dbc
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x562950650dab - backtrace::backtrace::trace_unsynchronized::h64df3798ffaf338f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x562950650dab - std::sys_common::backtrace::_print::h549f3692f8d3f393
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x562950650dab - std::sys_common::backtrace::print::h037f1d7e6e0e94de
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x562950650dab - std::panicking::default_hook::{{closure}}::h88a39cbd1a8489c9
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x562950650a86 - std::panicking::default_hook::hdb7c9c6632585072
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x56295065146d - std::panicking::rust_panic_with_hook::h906f2b0ace338868
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x562950650ff2 - std::panicking::continue_panic_fmt::h3597c4d7a66a7e7b
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x562950650ed6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x56295066623d - core::panicking::panic_fmt::he1729b262db7d0f1
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x562950666337 - core::result::unwrap_failed::h24d6964fca127bdf
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x562950616a29 - core::result::Result<T,E>::expect::ha86b5e853ecc56ae
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libcore/result.rs:879
[INFO] [stderr]   12:     0x562950610ef7 - build_script_build::main::h98e0dd1655ff87a6
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpp_demangle-0.2.2/build.rs:234
[INFO] [stderr]   13:     0x562950617900 - std::rt::lang_start::{{closure}}::hd708972dc5ac46b9
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x562950650ec3 - std::rt::lang_start_internal::{{closure}}::h9ea1b9f2bce8ffef
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x562950650ec3 - std::panicking::try::do_call::hfbd18154d6e81e0d
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x56295065357a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   17:     0x56295065197d - std::panicking::try::h9cb4b237371abf81
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x56295065197d - std::panic::catch_unwind::hd403853a39b4e3c9
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x56295065197d - std::rt::lang_start_internal::h7e5e162b169a1510
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x5629506178d9 - std::rt::lang_start::hda7cae77256598fc
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x562950610f4a - main
[INFO] [stderr]   22:     0x7f5153e0f2e1 - __libc_start_main
[INFO] [stderr]   23:     0x56295060d33a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f7dcd87882b168a9babf96575a02cd982c0f3d40027a7a2873ff654114de7942"`
[INFO] running `"docker" "rm" "-f" "f7dcd87882b168a9babf96575a02cd982c0f3d40027a7a2873ff654114de7942"`
[INFO] [stdout] f7dcd87882b168a9babf96575a02cd982c0f3d40027a7a2873ff654114de7942